This post is from the WWDC26 File Systems Q&A.
Any chances of URL-style mounts (myfs://blah) being back ported to macOS 15? They have several upsides compared to volume-based mounts (/tmp/my-fake-vol.dmg => /dev/disk4 => /Volumes/my-vfs) including unprivileged mounts, but also, it feels a bit early still to set a minimum requirement of macOS 26 for end-user applications.